La parte de la escalera marcada con la letra B en la Figura 3 se denomina _____.
a. lado
b. escalón principal
c. barra torneada
d. barandilla
Answer: B
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Ancient Egyptians made a form of paper called ____________________
Fill in the blank(s) with correct word
Federal law mandates that:
A) All used refrigerants must be sold to an OSHA certified reclamation site. B) All used refrigerants must be sold to a UL or ANSI certified reclamation site. C) All used refrigerants must be sold to an ESCO certified reclamation site. D) All used refrigerants must be sold to an EPA certified reclamation site.
The most common cause of airflow related problems in air conditioning units is:
A) dirty air filters B) electrical issues C) Low refrigerant charge D) dirty condenser coils
The buyer should check the health of an animal carefully before buying it.
Answer the following statement true (T) or false (F)